WO2022248899A1 - 車両前部に搭載される強電部品の搭載構造 - Google Patents

車両前部に搭載される強電部品の搭載構造 Download PDF

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Publication number
WO2022248899A1
WO2022248899A1 PCT/IB2021/000359 IB2021000359W WO2022248899A1 WO 2022248899 A1 WO2022248899 A1 WO 2022248899A1 IB 2021000359 W IB2021000359 W IB 2021000359W WO 2022248899 A1 WO2022248899 A1 WO 2022248899A1
Authority
WO
WIPO (PCT)
Prior art keywords
boss
vehicle
mounting structure
housing
thickness
Prior art date
Application number
PCT/IB2021/000359
Other languages
English (en)
French (fr)
Japanese (ja)
Other versions
WO2022248899A8 (ja
Inventor
昴介 齊藤
雅之 用松
Original Assignee
日産自動車株式会社
ルノー エス． ア． エス．
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日産自動車株式会社, ルノー エス． ア． エス． filed Critical 日産自動車株式会社
Priority to EP21942857.0A priority Critical patent/EP4349658A1/en
Priority to US18/563,319 priority patent/US20240217457A1/en
Priority to CN202180098168.9A priority patent/CN117295642A/zh
Priority to PCT/IB2021/000359 priority patent/WO2022248899A1/ja
Priority to JP2023523682A priority patent/JP7478908B2/ja
Publication of WO2022248899A1 publication Critical patent/WO2022248899A1/ja
Publication of WO2022248899A8 publication Critical patent/WO2022248899A8/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0239—Electronic boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
    • B62D21/03—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members transverse members providing body support
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/10—Housings

Definitions

  • the present invention relates to an installation structure for a high-voltage electrical device installed on a front section of a vehicle.
  • Patent Document 1 discloses a structure for mounting heavy electric parts on a vehicle.
  • Heavy electrical components are those that handle high voltages (60V or higher), and heavy electrical components use a special electrical system with a dedicated ground wire rather than body grounding.
  • a bracket integrally protruding horizontally from the side wall of the housing of the heavy electrical component is fastened to the vehicle body with a bolt.
  • the fragile portion provided in the bracket is broken, thereby protecting the main body of the heavy electrical component (the electrical component inside the housing) from being exposed.
  • the height of the high-voltage part and the fixed position to the vehicle are the same, so the impact load in the event of a frontal collision effectively acts to break the bracket.
  • the height of the heavy electric component differs from the height of the fixing position to the vehicle, a bending moment is generated in the bracket, and a tensile load acts on the housing of the heavy electric component due to the moment.
  • the body of the housing may be torn off, exposing electrical components within the housing. That is, in such a case, there is a possibility that the high-voltage components are not reliably protected.
  • the heavy electric parts are attached to the cross member of the vehicle body by the L-shaped front bracket.
  • the cross member extends in the vehicle width direction in front of the heavy electrical parts.
  • a boss having a bolt hole formed in the center protrudes forward from the front plate of the housing of the heavy electric component.
  • the lower vertical portion of the front bracket is bolted to the boss and the upper horizontal portion is fixed to the cross member.
  • a weak portion is formed at the base of the boss.
  • FIG. 1 is a schematic perspective view showing the mounting structure according to the embodiment.
  • FIG. 2 is a schematic side view showing the mounting structure.
  • FIG. 3 is a perspective view showing a housing of the heavy electrical component (OBC unit) in the above structure and a bracket for attaching this housing to the vehicle body.
  • FIG. 4 is a front view showing a boss of the housing to which the bracket is attached; 5 is a cross-sectional view taken along line V-V in FIG. 4.
  • FIG. FIG. 6 is a sectional view taken along line VI-VI in FIG.
  • FIG. 7 is a partial plan view of the housing.
  • FIG. 8 is a schematic perspective view showing the above-described mounting structure at the time of frontal collision of the vehicle.
  • FIG. 1 With this mounting structure, the heavy electric component 1 is mounted on the front portion of the vehicle. 2 and 8, the front of the vehicle is indicated by an arrow FR.
  • the heavy electric component 1 according to the mounting structure of the present embodiment is mounted in the motor room at the front of the vehicle.
  • the vehicle is equipped with a high voltage battery (not shown), and the vehicle is a battery electric vehicle (BEV) that runs on power stored in the high voltage battery.
  • BEV battery electric vehicle
  • the heavy electric component 1 is an OBC (On-Board Charger) unit that charges a heavy electric battery.
  • a high-voltage electrical device 1 is one of high-voltage electrical devices that handles high voltage (60 V or higher).
  • the heavy electric component 1 according to the mounting structure of the present embodiment is hereinafter referred to as an OBC unit 1. As shown in FIG.
  • the OBC unit 1 comprises an OBC 1a, a DCDC converter 1b and a junction box 1c. Each of these is also a heavy electric component.
  • the OBC 1a has a housing 100 (see FIG. 3) to which a DCDC converter 1b and a junction box 1c are fixed.
  • the DCDC converter 1b is fixed to the lower part of the housing 100, and the junction box 1c is fixed to the upper part of the housing 100. As shown in FIG.
  • An inverter 6 and a high-power motor 7 are mounted below the OBC unit 1. Each of these is also a heavy electric component.
  • the inverter 6 and the high-voltage motor 7 are housed and integrated in one housing.
  • the inverter 6 and the high-voltage motor 7 are attached to a subframe, and the subframe is attached to a side member (not shown) of the vehicle body.
  • the OBC unit 1 is attached to the cross members 3 and 4 that make up the vehicle body so as to be suspended by L-shaped brackets 2 (2f and 2r). More specifically, the DCDC converter 1b and the junction box 1c are also attached to the vehicle body via the OBC 1a by attaching the housing 100 of the OBC 1a to the vehicle body with L-shaped brackets 2 (2f and 2r).
  • a cross member 3 extends in the lateral direction of the vehicle in front of the OBC unit 1 .
  • the cross member 3 is specifically a radiator core upper support that supports the upper part of the radiator core 5 .
  • a cross member 4 extends in the vehicle width direction.
  • the OBC unit 1, that is, the housing 100 of the OBC 1a is attached so as to be suspended from the cross members 3 and 4 by a pair of front brackets 2f and a pair of rear brackets 2r.
  • two pairs of cylindrical bosses 102 protrude forward from the front plate 101 of the housing 100 .
  • a bolt hole 102a (see FIG. 4) is formed in the center of each boss 102.
  • a reinforcing rib 102 b is also formed between each pair of bosses 102 .
  • the housing 100 is made of aluminum, and in addition to the front plate 101 and bosses 102, the rear plate 103, the side plates, the bottom plate 106, and the like are integrally formed.
  • a pair of bosses 102 are arranged vertically on the right side of the housing 100 .
  • Another pair of bosses 102 are arranged vertically on the left side of the housing 100 .
  • the lid of the housing 100 is not shown in FIG. 3, the lid is attached using the screw holes 108 .
  • a pair of brackets 107 protrude forward from the upper edge of the front plate 101 , and a pair of brackets 107 protrude rearward from the upper edge of the rear plate 103 .
  • Junction box 1 c described above is fixed to these brackets 107 .
  • a plurality of ribs 105 are also formed on the front surface of the front plate 101 at intervals. The ribs 105 and brackets 107 are also formed integrally with the housing 100 .
  • the lower vertical portion of the front bracket 2f is fastened with bolts 202 to each pair of bosses 102 described above. Flanges are formed on both side edges of the front bracket 2f to improve rigidity and strength.
  • the front bracket 2f is a steel angle member.
  • a pair of bolt insertion holes 200 through which bolts 202 are inserted are formed in the lower vertical portion of the front bracket 2f.
  • a bolt 202 is fastened to the bolt hole 102a described above.
  • a bolt insertion hole 201 is also formed in the upper horizontal portion of the front bracket 2f.
  • An upper horizontal portion of the front bracket 2f is fixed to the cross member 3 by a bolt insertion hole 201. As shown in FIG.
  • a vulnerable portion is formed at the base of the lower boss 102 of the two bosses 102 of each pair.
  • the fragile portion breaks when the front bracket 2f moves rearward relative to the housing 100 at the time of a frontal collision of the vehicle, thereby preventing damage to the main body of the housing 100.
  • FIG. As a result, the electrical parts inside the housing 100 are prevented from being exposed, and the OBC 1a, that is, the OBC unit 1 can be reliably protected.
  • the fragile portion in this embodiment is constructed by the following structures [1] and [2].
  • the lower boss 102 protrudes forward from a base portion 109 integrally formed on the front plate 101 .
  • the thickness t1 of the root (weak portion) of the boss 102 in the direction perpendicular to the axis O of the bolt hole 102a is made smaller than the thickness t2 of the base portion 109 in that direction. Since the thickness of the pedestal portion 109 is not uniform over the entire periphery of the boss 102, it is compared here with the thickness t2 at the lowest portion, which is weakest in strength. Note that, in the present embodiment, the upper boss 102 also protrudes forward from the pedestal portion 109 .
  • the width of the upper portion of the pedestal portion 109 in the front-rear direction is larger than the width of the lower portion of the pedestal portion 109 in the front-rear direction. That is, the surface of the pedestal portion 109 is inclined. Therefore, when a tensile force acts on the lower boss 102 to pull out the bolt 202 , the lower part of the pedestal part 109 can withstand the tensile force more than the upper part of the pedestal part 109 . A tensile force acts upon a frontal collision of the vehicle, which will be described later. It should be noted that the rib 105 also has an upper front-rear width larger than a lower front-rear width.
  • the thickness t1 of the boss 102 is smaller than the thickness t2 of the pedestal portion 109, when the above-described tensile force acts on the boss 102, the fragile portion at the base of the boss 102 is broken, and the front plate on which the pedestal portion 109 is formed. Damage to the main body of the housing 100 including 101 is prevented. This prevents the inside of the housing 100 from being exposed.
  • the rising curvature radius R1 of the base of the boss 102 as a weakened portion from the pedestal portion 109 is made smaller than the rising curvature radius R2 of the pedestal portion 109 from the front plate 101. ing. Therefore, when the tensile force described above acts on the boss 102 , more stress concentrates on the weak portion at the base of the boss 102 . Therefore, the fragile portion at the base of the boss 102 is more likely to break.
  • the mounting structure on the front side of the OBC unit 1 described above is constructed symmetrically on the rear side of the OBC unit 1 as well. That is, two pairs of cylindrical bosses 104 integrally protrude rearward from a rear plate 103 of the housing 100 . A pair of bosses 104 are arranged vertically on the right side of the housing 100 , and another pair of bosses 104 are arranged vertically on the left side of the housing 100 .
  • the lower vertical portion of the rear bracket 2r is bolted to each pair of bosses 104, and the upper horizontal portion of the rear bracket 2r is fixed to the cross member 4. As shown in FIG.
  • the lower boss 104 of each pair of bosses 104 is formed with the weakened portion described above.
  • the OBC unit 1 is attached to cross members 3 and 4 so that it is suspended by L-shaped brackets 2 (2f and 2r).
  • L-shaped brackets 2 (2f and 2r).
  • the front end of the vehicle is crushed and moves rearward relative to the vehicle body.
  • the cross member which is the radiator core upper support, is pushed toward the OBC unit 1 .
  • the collision load F relatively moves the upper horizontal portion of the front bracket 2f rearward via the cross member 3, as indicated by the arrow F in FIG.
  • a compressive force acts on the upper boss 102
  • a tensile force Ft acts on the lower boss 102 to pull out the bolt 202 by the principle of leverage, as indicated by the arrow Ft in FIG. do.
  • Due to the tensile force Ft acting on the lower boss 102 the boss 102 breaks at its weak portion, that is, at its base. Breakage of the boss 102 prevents the main body of the housing 100, that is, the front plate 101 from being damaged. As a result, the electrical components inside the housing 100 are not exposed.
  • the thickness of the bottom plate 106 on the opposite side of the boss 102 with respect to the front plate 101 is locally increased to increase the thickness of the thick plate portion.
  • portion] 106a is formed. That is, the thickness of the thick plate portion 106a is made thicker than the thickness of the portion of the bottom plate 106 other than the thick plate portion 106a.
  • the front plate 101 is reinforced by the pedestal portion 109, but also the bottom plate 106 is locally reinforced by the thick plate portion 106a, so that the main body of the housing 100 can more effectively resist the tensile force Ft described above. As a result, damage to the main body of the housing 100, for example, separation of the front plate 101 from the bottom plate 106 is prevented.
  • the mounting structure described above is constructed symmetrically on the rear side of the OBC unit 1 as well.
  • the collision load F is large and the OBC unit 1 is moved rearward relative to the vehicle body from the state shown in FIG. Therefore, it is possible to prevent the fragile portion of the lower boss 104 from being broken and the main body of the housing 100, that is, the rear plate 103, from being damaged. As a result, the electric parts inside the housing 100 are not exposed.
  • the mounting structure includes the boss 102 projecting forward from the front plate 101 of the housing 100 of the heavy electric component 1 and the cross extending forward of the heavy electric component 1 in the vehicle width direction. It has a member 3 and an L-shaped front bracket 2f.
  • the lower vertical portion of the front bracket 2f is fastened to the bolt hole 102a of the boss 102 with a bolt 202, and the upper horizontal portion is fixed to the cross member 3.
  • a fragile portion is formed at the base of the (lower) boss 102 . Therefore, in the event of a frontal collision of the vehicle, the fragile portion formed at the base of the boss 102 is broken, so that the main body of the housing 100 can be prevented from being damaged and the high-voltage component 1 can be reliably protected.
  • the boss 102 protrudes forward from a pedestal portion 109 formed on the front plate 101 . Also, the thickness t1 of the base of the boss 102 in the direction perpendicular to the axis O of the bolt hole 102a is smaller than the thickness t2 of the base portion 109 in that direction. Therefore, the boss 102 can be reliably broken at the weak portion at the base of the boss 102 .
  • the rising curvature radius R1 of the base of the boss 102 from the pedestal portion 109 is smaller than the rising curvature radius R2 of the pedestal portion 109 from the front plate 101 . Therefore, the boss 102 can be broken more reliably at the weak portion at the base of the boss 102 .
  • the thickness of the bottom plate 106 on the side opposite to the boss 102 is locally increased with respect to the front plate 101 to form a thick plate portion 106a. Therefore, damage to the housing 100 can be prevented more reliably.
  • the present invention is not limited to the above embodiments.
  • two bosses 102 (104) are vertically arranged as a pair.
  • only one boss 102 may be provided at each pair of locations.
  • the L-shaped front bracket 2f (rear bracket 2r) applies a tensile force to the boss 102 (104), but damage to the housing 100 can be prevented.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Body Structure For Vehicles (AREA)
PCT/IB2021/000359 2021-05-25 2021-05-25 車両前部に搭載される強電部品の搭載構造 WO2022248899A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP21942857.0A EP4349658A1 (en) 2021-05-25 2021-05-25 Installation structure of heavy current part installed at front portion of vehicle
US18/563,319 US20240217457A1 (en) 2021-05-25 2021-05-25 Installation structure for high-voltage electrical device installed on front section of vehicle
CN202180098168.9A CN117295642A (zh) 2021-05-25 2021-05-25 搭载于车辆前部的强电部件的搭载构造
PCT/IB2021/000359 WO2022248899A1 (ja) 2021-05-25 2021-05-25 車両前部に搭載される強電部品の搭載構造
JP2023523682A JP7478908B2 (ja) 2021-05-25 2021-05-25 車両前部に搭載される強電部品の搭載構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2021/000359 WO2022248899A1 (ja) 2021-05-25 2021-05-25 車両前部に搭載される強電部品の搭載構造

Publications (2)

Publication Number Publication Date
WO2022248899A1 true WO2022248899A1 (ja) 2022-12-01
WO2022248899A8 WO2022248899A8 (ja) 2023-12-07

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Application Number Title Priority Date Filing Date
PCT/IB2021/000359 WO2022248899A1 (ja) 2021-05-25 2021-05-25 車両前部に搭載される強電部品の搭載構造

Country Status (5)

Country Link
US (1) US20240217457A1 (zh)
EP (1) EP4349658A1 (zh)
JP (1) JP7478908B2 (zh)
CN (1) CN117295642A (zh)
WO (1) WO2022248899A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631327U (ja) * 1992-09-17 1994-04-22 矢崎総業株式会社 自動車用電気接続箱の取付構造
JP2000350331A (ja) * 1999-05-31 2000-12-15 Yazaki Corp 自動車用電気接続箱の取付構造
JP5716481B2 (ja) 2011-03-25 2015-05-13 トヨタ自動車株式会社 車両用筐体
JP2017081503A (ja) * 2015-10-30 2017-05-18 トヨタ自動車株式会社 電力変換器の車載構造
JP2018030557A (ja) * 2016-08-26 2018-03-01 三菱自動車工業株式会社 電気機器の取付け構造

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6031327B2 (ja) 2012-10-31 2016-11-24 キヤノン株式会社 投影システム、プロジェクタ及び制御方法
JP6624526B2 (ja) * 2018-02-15 2019-12-25 本田技研工業株式会社 車体構造
CN211791018U (zh) * 2020-04-03 2020-10-27 丰田自动车株式会社 电机支架

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631327U (ja) * 1992-09-17 1994-04-22 矢崎総業株式会社 自動車用電気接続箱の取付構造
JP2000350331A (ja) * 1999-05-31 2000-12-15 Yazaki Corp 自動車用電気接続箱の取付構造
JP5716481B2 (ja) 2011-03-25 2015-05-13 トヨタ自動車株式会社 車両用筐体
JP2017081503A (ja) * 2015-10-30 2017-05-18 トヨタ自動車株式会社 電力変換器の車載構造
JP2018030557A (ja) * 2016-08-26 2018-03-01 三菱自動車工業株式会社 電気機器の取付け構造

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JPWO2022248899A1 (zh) 2022-12-01
US20240217457A1 (en) 2024-07-04
JP7478908B2 (ja) 2024-05-07
EP4349658A1 (en) 2024-04-10
WO2022248899A8 (ja) 2023-12-07
CN117295642A (zh) 2023-12-26

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